2402143 has 8 divisors (see below), whose sum is σ = 2543616. Its totient is φ = 2263800.

The previous prime is 2402107. The next prime is 2402161. The reversal of 2402143 is 3412042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402143 is a prime.

It is an Ulam number.

2402143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (317952).

2^2402143 is an apocalyptic number.

2402143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2402143 is a deficient number, since it is larger than the sum of its proper divisors (141473).

2402143 is a wasteful number, since it uses less digits than its factorization.

2402143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2402143 is about 1549.8848344313. The cubic root of 2402143 is about 133.9264280173.

Adding to 2402143 its reverse (3412042), we get a palindrome (5814185).

The spelling of 2402143 in words is "two million, four hundred two thousand, one hundred forty-three".